<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Welcome Page</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }
        .welcome-container {
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            text-align: center;
        }
        .welcome-title {
            margin-bottom: 20px;
        }
        .welcome-message {
            margin-bottom: 20px;
        }
        .logout-button {
            padding: 10px;
            background-color: #d9534f;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        .logout-button:hover {
            background-color: #c9302c;
        }
    </style>
</head>
<body>
<div class="welcome-container">
    <div class="welcome-title">
        <h2>Welcome!</h2>
    </div>
    <div class="welcome-message">
        <p>You are now logged in.</p>
    </div>
    <form action="LogoutServlet" method="POST">
        <button type="submit" class="logout-button">Logout</button>
    </form>
</div>
</body>
</html>